Finding the Fourth Proportional to 384,589.79, 576,939.36 and 118,372.49
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Solution
The fourth proportional to 384,589.79, 576,939.36 and 118,372.49 is: 177,575.56
Step by Step Solution
- Step 1: Write the proportion equation
384,589.79 : 576,939.36 = 118,372.49 : x - Step 2: Convert to fraction form
384,589.79/576,939.36 = 118,372.49/x - Step 3: Cross multiply
384,589.79x = 576,939.36 × 118,372.49 - Step 4: Simplify right side
384,589.79x = 68,293,748,622.21 - Step 5: Solve for x
x = 68,293,748,622.21/384,589.79 - Step 6: Final answer
x = 177,575.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.